New pin-sized sensor can detect dangerous chemicals

Researchers at the University of Wisconsin-Madison have developed a novel sensor that can be used in smartphone-sized devices to detect dangerous chemicals based on a unique “fingerprint” of absorbed and emitted light.

Blending Research, Entrepreneurial Spirit

Dr. Rock Mackie jokes he is a “reformed academic,” having spent much of his career as a researcher in medical physics and oncology at the University of Wisconsin-Madison. He’s also an entrepreneur who has helped …